Density and habitat associations of Barred Owls at the edge of their range in Oklahoma
Southeastern Naturalist
By: Brian R. Winton and David M. Leslie Jr.
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Abstract
We assessed breeding-pair density and habitat associations of Barred Owls (Strix varia) at the edge of their range in north-central Oklahoma in 1995-1996. We played taped calls of Barred Owls to solicit and record responses (visual and auditory) and thereby determine density in our 1155-ha study area. Numbers of owls ranged from 7 pairs in 1995 to 11 pairs in 1996, or 1 Barred Owl pair/105-165 ha in a relatively contiguous bottomland forest. To assess habitat associations, we overlaid core areas of owl activity, as inferred from the locations of Barred Owl responses, on aerial photographs and quantified habitats in a 0.65-km2 cell surrounding owl core areas. Barred owl pairs were associated with closed-canopy forest (62.8%), fallow agricultural fields (10.6%), water (8.1%), and treeless (open) areas (6.2%), which differed from single owls (presumed nonbreeders) that showed a greater affinity for open-canopy forest and agricultural fields.
Suggested Citation
Winton, B.R., and Leslie, D., 2004, Density and habitat associations of Barred Owls at the edge of their range in Oklahoma: Southeastern Naturalist, v. 3, no. 3, p. 475-482.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Density and habitat associations of Barred Owls at the edge of their range in Oklahoma |
| Series title | Southeastern Naturalist |
| Volume | 3 |
| Issue | 3 |
| Year Published | 2004 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Southeastern Naturalist |
| First page | 475 |
| Last page | 482 |